Home / 1,483.44-2,221.92-1,237.20

Finding the Fourth Proportional to 1,483.44, 2,221.92 and 1,237.20

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Solution

The fourth proportional to 1,483.44, 2,221.92 and 1,237.20 is: 1,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.44 : 2,221.92 = 1,237.20 : x
  2. Step 2: Convert to fraction form
    1,483.44/2,221.92 = 1,237.20/x
  3. Step 3: Cross multiply
    1,483.44x = 2,221.92 × 1,237.20
  4. Step 4: Simplify right side
    1,483.44x = 2,748,959.42
  5. Step 5: Solve for x
    x = 2,748,959.42/1,483.44
  6. Step 6: Final answer
    x = 1,853.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.